Question

explajn a rainy day
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Answer 1

Answer:

A time of need or trouble, as in We knew a rainy day would come sooner or later. This idiom is often used in the context of save for a rainy day, which means to put something aside for a future time of need.

Answer 2

Answer:

My personal favourite is the Irish description of a typically grim grey miserable rainy day as “a grand soft day", which is so wholly inappropriate it sort of works. The Irish have many descriptions for rain , check out